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190957883961 = 31316729319497
BaseRepresentation
bin1011000111010111111…
…0100001001000111001
3200020220011221121010210
42301311332201020321
511112040204241321
6223420322101333
716540054142445
oct2616576411071
9606804847123
10190957883961
1173a91824629
12310134aa849
1315012c14160
149357265825
154e79728b76
hex2c75fa1239

190957883961 has 16 divisors (see below), whose sum is σ = 275837837184. Its totient is φ = 116808872064.

The previous prime is 190957883899. The next prime is 190957883981. The reversal of 190957883961 is 169388759091.

It is not a de Polignac number, because 190957883961 - 211 = 190957881913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190957883892 and 190957883901.

It is not an unprimeable number, because it can be changed into a prime (190957883981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14653236 + ... + 14666261.

It is an arithmetic number, because the mean of its divisors is an integer number (17239864824).

Almost surely, 2190957883961 is an apocalyptic number.

It is an amenable number.

190957883961 is a deficient number, since it is larger than the sum of its proper divisors (84879953223).

190957883961 is a wasteful number, since it uses less digits than its factorization.

190957883961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29319680.

The product of its (nonzero) digits is 29393280, while the sum is 66.

The spelling of 190957883961 in words is "one hundred ninety billion, nine hundred fifty-seven million, eight hundred eighty-three thousand, nine hundred sixty-one".

Divisors: 1 3 13 39 167 501 2171 6513 29319497 87958491 381153461 1143460383 4896355999 14689067997 63652627987 190957883961